Below are the top five largest IPOs in the US to date:
Year of IPO
Value of Stake On First Day of IPO (US$ million)
JP Morgan Chase & Co.
AT&T Wireless Group
United Parcel Service
John W. Rogers
* Previously known as Kraft Foods
** Previously known as Philip Morris Companies
Note: IPOs, or initial public offerings, are how some millionaires and billionaires made some or all of their money on Wall Street and similar stock exchanges. Research the pros and cons of IPOs here.